Since 9/11, outreach to Muslim communities around the world has been a U.S. diplomatic priority. Perhaps nowhere else is that more in display than in France, where Ambassador Charles Rivkin has made visiting the largely minority suburbs a major focus of his public diplomacy.

Just who runs protests in places like Kiev and Hong Kong? It's not an easy question to answer, but that doesn't mean the protest movements in those places lack energy or direction. In fact, their loose structure may be a new model for political organization.